<html>
	<body>
<!--[if lt IE 8]>
<script>
	alert("hello");
</script>
<![endif]-->
	<h1>test1</h1>
	<h2>test2</h2>
	<h3>test3</h3>
	<h4>test4</h4>
	<h5>test5</h5>
	<h6>test6</h6>
	</body>
</html>